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23284320 = 2535179271
BaseRepresentation
bin101100011010…
…0101001100000
31121210222002020
41120310221200
521430044240
62151021440
7401625213
oct130645140
947728066
1023284320
1112163944
12796a880
134a93307
14314177a
15209e0d0
hex1634a60

23284320 has 96 divisors (see below), whose sum is σ = 74027520. Its totient is φ = 6151680.

The previous prime is 23284301. The next prime is 23284337. The reversal of 23284320 is 2348232.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85785 + ... + 86055.

It is an arithmetic number, because the mean of its divisors is an integer number (771120).

Almost surely, 223284320 is an apocalyptic number.

23284320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23284320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37013760).

23284320 is an abundant number, since it is smaller than the sum of its proper divisors (50743200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23284320 is a wasteful number, since it uses less digits than its factorization.

23284320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 23284320 is about 4825.3828863625. The cubic root of 23284320 is about 285.5537402812.

The spelling of 23284320 in words is "twenty-three million, two hundred eighty-four thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 179 240 271 358 480 537 542 716 813 895 1074 1084 1355 1432 1626 1790 2148 2168 2685 2710 2864 3252 3580 4065 4296 4336 5370 5420 5728 6504 7160 8130 8592 8672 10740 10840 13008 14320 16260 17184 21480 21680 26016 28640 32520 42960 43360 48509 65040 85920 97018 130080 145527 194036 242545 291054 388072 485090 582108 727635 776144 970180 1164216 1455270 1552288 1940360 2328432 2910540 3880720 4656864 5821080 7761440 11642160 23284320